Content settings extension API

chrome/browser/extensions/extension_preference_helpers.cc

Index: chrome/browser/extensions/extension_preference_helpers.cc
diff --git a/chrome/browser/extensions/extension_preference_helpers.cc b/chrome/browser/extensions/extension_preference_helpers.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f121c9077236c3d8dcbc9e63bf4281efba752664
--- /dev/null
+++ b/chrome/browser/extensions/extension_preference_helpers.cc
@@ -0,0 +1,29 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/extensions/extension_preference_helpers.h"
+
+namespace {
+
+const char kIncognitoPersistent[] = "incognito_persistent";
+const char kIncognitoSessionOnly[] = "incognito_session_only";
+const char kRegular[] = "regular";
+
+}  // namespace
+
+namespace extension_preference_helpers {
+
+bool StringToScope(const std::string& s, extension_prefs_scope::Scope* scope) {
+  if (s == kRegular)
+    *scope = extension_prefs_scope::kRegular;
+  else if (s == kIncognitoPersistent)
+    *scope = extension_prefs_scope::kIncognitoPersistent;
+  else if (s == kIncognitoSessionOnly)
+    *scope = extension_prefs_scope::kIncognitoSessionOnly;
+  else
+    return false;
+  return true;
+}
+
+}  // namespace extension_preference_helpers